JPS6237690B2 - - Google Patents
Info
- Publication number
- JPS6237690B2 JPS6237690B2 JP2089982A JP2089982A JPS6237690B2 JP S6237690 B2 JPS6237690 B2 JP S6237690B2 JP 2089982 A JP2089982 A JP 2089982A JP 2089982 A JP2089982 A JP 2089982A JP S6237690 B2 JPS6237690 B2 JP S6237690B2
- Authority
- JP
- Japan
- Prior art keywords
- hardness
- cooling
- hot
- present
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001816 cooling Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 229910001566 austenite Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 238000010791 quenching Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005496 tempering Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/64—Making machine elements nuts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Heat Treatment Of Articles (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089982A JPS58138537A (ja) | 1982-02-12 | 1982-02-12 | 熱間鍛造ナツトの製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2089982A JPS58138537A (ja) | 1982-02-12 | 1982-02-12 | 熱間鍛造ナツトの製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58138537A JPS58138537A (ja) | 1983-08-17 |
| JPS6237690B2 true JPS6237690B2 (ko) | 1987-08-13 |
Family
ID=12040072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2089982A Granted JPS58138537A (ja) | 1982-02-12 | 1982-02-12 | 熱間鍛造ナツトの製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138537A (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0741771Y2 (ja) * | 1986-10-30 | 1995-09-27 | 高周波熱錬株式会社 | 高強度太径異形鋼棒用付属部材 |
| JP5054086B2 (ja) * | 2009-10-30 | 2012-10-24 | 濱中ナット株式会社 | 耐食性に優れた非磁性高強度ステンレス鋼ナット |
| JP5383570B2 (ja) * | 2010-03-23 | 2014-01-08 | 濱中ナット株式会社 | 鋼製ナット及びその製造方法 |
| CN111408681B (zh) * | 2020-04-13 | 2022-04-12 | 南宫市精强连杆有限公司 | 发动机非调质钢连杆锻后余热回火的方法 |
-
1982
- 1982-02-12 JP JP2089982A patent/JPS58138537A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58138537A (ja) | 1983-08-17 |
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